Is io.netty:netty-codec-haproxy affected by CVE-2026-44893?

Maven io.netty:netty-codec-haproxy is affected in >=4.2.0.Final <4.2.15.Final, <4.1.135.Final.

Is CVE-2026-44893 being exploited?

Not on the CISA KEV list. EPSS exploit probability is 0.6%.

high

CVE-2026-44893

Q: Is CVE-2026-44893 being exploited?

Not on the CISA KEV list. EPSS exploit probability is 0.6%.

Maven · io.netty:netty-codec-haproxy

Summary

Netty: HAProxy SSL TLV parsing leaks retained slice on invalid TLV length

Severity: high
EPSS: 0.6% (p48)
Also known as: GHSA-cc37-9q2j-3hfv
Published: 2026-06-08

References

https://github.com/netty/netty/security/advisories/GHSA-cc37-9q2j-3hfv
https://nvd.nist.gov/vuln/detail/CVE-2026-44893
https://github.com/netty/netty

Related advisories

CVE-2026-55851 — high · Maven/io.netty:netty-codec-haproxy
CVE-2026-48059 — high · Maven/io.netty:netty-codec-haproxy
CVE-2026-59919 — medium · Maven/io.netty:netty-codec-haproxy

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Sources: CISA KEV (public domain), OSV.dev & GitHub Advisory Database (CC-BY-4.0), FIRST EPSS, NVD/CWE (public domain). Served live from the Stateward advisory database.